All Cast

Bill Travers

Bill Travers

Joe Ryan

William Sylvester

William Sylvester

Sam Slade

Vincent Winter

Vincent Winter

Sean

Christopher Rhodes

Christopher Rhodes

McCartin

Joseph O'Conor

Joseph O'Conor

Prof. Hendricks

Bruce Seton

Bruce Seton

Prof. Flaherty

Martin Benson

Martin Benson

Dorkin

Maurice Kaufmann

Maurice Kaufmann

Radio Reporter

Basil Dignam

Basil Dignam

Admiral Brooks

Barry Keegan

Barry Keegan

Mate

Tommy Duggan

Tommy Duggan

First Naval Officer

Howard Lang

Howard Lang

First Colonel

Dervis Ward

Dervis Ward

Bosun

Mick Dillon

Mick Dillon

Gorgo

Nigel Green

Nigel Green

Bulletin Announcer (Uncredited)